Files
Klc_backend/src/main.ts

80 lines
2.5 KiB
TypeScript

import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import { ConfigService } from '@nestjs/config';
import helmet from 'helmet';
import { AppModule } from './app.module';
import { writeFileSync } from 'fs';
import { join } from 'path';
async function bootstrap() {
const app = await NestFactory.create(AppModule);
const configService = app.get(ConfigService);
// Security
app.use(helmet());
app.enableCors({
origin: [
'http://localhost:3000', // local Swagger UI
'https://editor.swagger.io', // Swagger Editor online
],
methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
credentials: true,
});
// ✅ Global prefix
const globalPrefix = configService.get('API_PREFIX', 'api/v1');
app.setGlobalPrefix(globalPrefix);
// Request logging middleware
app.use((req, res, next) => {
console.log(`📝 ${new Date().toISOString()} - ${req.method} ${req.url}`);
next();
});
// Global validation pipe
app.useGlobalPipes(
new ValidationPipe({
whitelist: true,
forbidNonWhitelisted: true,
transform: true,
transformOptions: {
enableImplicitConversion: true,
},
}),
);
const port = configService.get('PORT', 3000);
// Swagger documentation (only in development)
if (configService.get('NODE_ENV') !== 'production') {
const config = new DocumentBuilder()
.setTitle('NestJS Serverless User CRUD API')
.setDescription('Professional NestJS serverless application with user CRUD and authentication')
.setVersion(configService.get('API_VERSION', '1.0.0'))
.addBearerAuth()
.addServer(`${process.env.SERVER_URL}/`, 'Local Server')
.build();
const document = SwaggerModule.createDocument(app, config);
SwaggerModule.setup('api/docs', app, document);
const outputPath = join(process.cwd(), 'swagger.json');
writeFileSync(outputPath, JSON.stringify(document, null, 2), 'utf8');
console.log(`✅ Swagger JSON file generated at: ${outputPath}`);
}
// const port = configService.get('PORT', 3000);
await app.listen(port);
console.log(`🚀 Application is running on: http://localhost:${port}`);
if (configService.get('NODE_ENV') !== 'production') {
console.log(`📚 Swagger documentation: http://localhost:${port}/api/docs`);
}
}
// Only bootstrap if not running in Lambda
if (process.env.AWS_LAMBDA_FUNCTION_NAME === undefined) {
bootstrap();
}